The Retainer-Ejector,electrical Card, cataloged under National Stock Number 5998-01-478-0339, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Schroff Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-478-0339 |
| Primary Part Number | 225-2018 |
| Item Name | Retainer-Ejector,electrical Card |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Schroff Inc |
| Status | ACTIVE |
| Specification/standard Data | 96906-DOD-STD-100 GOVERNMENT STANDARD |
| Surface Treatment | ANODIZE AND PASSIVATE AND CADMIUM |
| Material | ALUMINUM ALLOY 6061 AND STEEL COMP 303 AND STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | ZN |
| Weight | 0.0400 lbs |
| Cube | 0.0043 cu ft |
| Part Number | Manufacturer |
|---|---|
| 225-2018 PRIMARY | Schroff Inc (USA) |
| Reference | Meaning |
|---|---|
| 225-2018 | 5/9 Secondary reference Calmark Corporation |
| B4011967 | 7/2 Vendor item drawing reference Department of the Army Hq United States Army Communications Research and Development Command |
| 225-2018 | 5/9 Secondary reference U.S. Government activity |
NSN 5998-01-478-0339 is a Retainer-Ejector,electrical Card, manufactured by Schroff Inc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-478-0339 has 1 manufacturer part number on file: 225-2018 (Schroff Inc).
Key specifications for 225-2018: Overall Length: 7.520 INCHES NOMINAL IN; Overall Width: 0.270 INCHES NOMINAL IN; Specification/standard Data: 96906-DOD-STD-100 GOVERNMENT STANDARD; Special Features: MATERIAL: BODY AND WEDGES: ALUMINUM ALLOY 6061-T6, QQ-A-200/8; SCREW: CORROSION RESISTANT STEEL, TYPE 303 PER ASTM-A-582; CAPTIVE NUT: CASE HARDENED STEEL; FINISH: BODY AND WEDGES: BLACK ANODIZE PER MIL-A-8625, TYPE I, CLASS 2; SCREW - PASSIVATE PER QQ-P-35, TYPE II; CAPTIVE NUT - CADMIUM PLATE PER QQ-P-416, TYPE II, CLASS 3. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.